| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] at [art] | 8757 |
|
| 2 | was [v-ing] [art] | 7509 |
|
| 3 | was [v-ing] at | 2033 |
|
| 4 | was at [art] | 1480 |
|
